save project

diy1.py

 # 利用write()
 import turtle
 screen=turtle.Screen()
+pen1=turtle.Pen()
 screen.bgcolor("gold")
 # creen=tusrtle.Screen()
 # screen.bgcolor("light blue")
@@ -9,24 +10,29 @@ screen.bgcolor("gold")
 # pen=turtle.Pen()
 # pen.write("你好\n诺依\春眠不觉晓",font=("Times",30,"normal"))
 # pen.hideturtle()
-# len=60
-# pen.penup()
-# pen.goto(100,100)
-# pen.pendown()
-# pen.pensize(5)
-# pen.pencolor("red")
-# pen.left(45)
-# pen.forward(2*len)
-# pen.circle(len,180)
-# pen.right(90)
-# pen.circle(len,180)
-# pen.forward(2*len)
-# turtle.done()
-pen1=turtle.Pen()
+a=screen.textinput("设置大小","大小")
+b=int(a)
+len=60
+pen1.penup()
+pen1.goto(100,100)
+pen1.down()
+pen1.pensize(5)
+pen1.pencolor("red")
+pen1.left(45)
+pen1.forward(2*b)
+pen1.circle(b,180)
+pen1.right(90)
+pen1.circle(b,180)
+pen1.forward(2*b)
+turtle.done()
+
 pen1.pencolor("red")
+
 pen1.pensize(5)
 pen1.left(45)
 pen1.forward(100)
-pen1.right(-45)
+pen1.circle(50,180)
+pen1.right(90)
+pen1.circle(50,180)
 pen1.forward(100)
 turtle.done()